ISUZU GIGA 18 Ton Vacuum Suction Truck
Brief
The ISUZU GIGA 18 Ton Vacuum Suction Truck is a powerful and highly efficient sanitation vehicle designed for sewage suction, septic tank cleaning, sludge transportation, and industrial waste management. Built on the reliable ISUZU GIGA 4×2 heavy-duty chassis, the truck combines strong load capacity, advanced vacuum technology, and durable structural engineering to ensure consistent performance in demanding municipal and industrial environments.
Equipped with the robust ISUZU 6HK1-TCG61 diesel engine, the vehicle delivers 240 horsepower and 900 N·m of torque, providing ample power for both road transportation and vacuum suction operations. The engine features turbocharging, intercooling, and high-pressure common rail fuel injection, which improves fuel efficiency while ensuring stable performance and compliance with Euro VI / China VI emission standards.
With a gross vehicle weight of 18,000 kg and a rated payload of 8,600 kg, the truck is capable of handling large volumes of liquid waste during daily sanitation operations. Its 12,000-liter vacuum tank is constructed from high-quality carbon steel and reinforced for structural strength, allowing safe transportation of sewage, sludge, and other liquid waste materials. The vehicle’s balanced dimensions of 9000 mm in length, 2550 mm in width, and 3600 mm in height, combined with a 4600 mm wheelbase, provide stable driving performance and good maneuverability in both urban streets and industrial sites.
Designed for reliability and operational efficiency, the truck integrates a high-capacity rotary vane vacuum pump, durable pipeline system, and a practical hydraulic lifting mechanism, making it an ideal solution for municipal sanitation departments, environmental service contractors, and industrial maintenance operations.
Key Features
Powerful ISUZU Engine and Reliable Drivetrain
The truck is powered by the proven ISUZU 6HK1-TCG61 inline six-cylinder turbocharged diesel engine, which offers excellent durability and fuel efficiency in heavy-duty commercial applications. With a 7.79-liter displacement, the engine produces strong torque at low speeds, ensuring smooth performance when operating vacuum systems or transporting heavy loads.
Paired with the FAST 8JS85E manual transmission, the drivetrain provides 8 forward gears and 2 reverse gears, allowing operators to select the appropriate gear ratio for different driving and working conditions. This configuration ensures efficient power delivery, smooth gear shifting, and reliable performance across long operational hours.
Large Capacity 12,000L Vacuum Tank
At the core of the truck’s functionality is the 12 CBM vacuum tank, engineered for durability and long-term operation. The tank is constructed from 6 mm thick high-quality carbon steel, providing strong resistance against pressure and wear during frequent suction and discharge cycles.
The cylindrical tank structure is reinforced with internal anti-wave rings, which stabilize liquid movement during transportation and enhance vehicle safety. An internal epoxy anti-corrosion coating protects the tank from chemical corrosion caused by sewage and sludge, extending the service life of the equipment.
For unloading operations, the tank is equipped with a hydraulic lifting system capable of tilting the tank at an angle of over 45 degrees, allowing quick and efficient discharge of collected waste. The hydraulic rear door lock system ensures a secure seal during operation and convenient opening during unloading.
High-Efficiency Vacuum Pump System
The truck utilizes the SK-15 rotary vane vacuum pump, which provides strong suction performance for demanding sanitation tasks. With an airflow capacity of 15 m³ per minute and a maximum vacuum degree exceeding 93%, the pump ensures fast and efficient suction of liquid waste.
The vacuum pump operates at a rated speed of 800–1200 rpm and is driven through the vehicle’s power take-off (PTO) system, allowing the engine to supply stable mechanical power during suction operations. To ensure reliable long-term operation, the pump incorporates water circulation cooling and automatic oil lubrication, which help reduce wear and maintain consistent performance.
Efficient Suction System
The truck is equipped with a 100 mm diameter suction hose with a length of 8 meters, allowing operators to easily access underground tanks, drainage systems, or septic pits. The system can achieve a maximum suction depth of more than 7 meters, enabling efficient cleaning of deep sewage facilities.
Under optimal conditions, the vehicle can complete a full tank suction in less than 6 minutes, significantly improving operational productivity. Safety features such as an anti-overflow device and secondary filtration system protect the vacuum pump and prevent liquid overflow during operation.
Durable Hydraulic and Pipeline System
The hydraulic system is built using reliable components from Rexroth or Eaton, ensuring stable and precise control of the tank lifting and rear door opening functions. The manual hydraulic control system allows operators to easily manage discharge operations, while the 80-liter hydraulic oil tank supports continuous and stable hydraulic performance.
The suction pipeline system is constructed from heavy-duty steel pipes, designed to withstand high vacuum pressure and frequent use. Key components include a DN100 main inlet valve, DN80 drain valve, and an overflow protection valve, which together ensure safe and efficient liquid waste handling. A sight glass indicator allows operators to monitor the tank level during operation.
Robust Chassis and Suspension
The truck is built on the durable ISUZU GIGA chassis, designed to support heavy sanitation equipment and maintain reliable road performance. The chassis features a front axle capacity of 7000 kg and a rear axle capacity of 13,000 kg, ensuring balanced weight distribution even when the tank is fully loaded.
A heavy-duty leaf spring suspension system with a 9 / 12 configuration enhances the vehicle’s durability and driving stability, particularly when traveling on uneven roads or construction sites.
Safety and Operator-Friendly Design
To ensure safe operation in urban and industrial environments, the truck is equipped with a full air braking system, spring energy parking brake, and engine exhaust auxiliary brake, providing reliable stopping power even under heavy load conditions. The addition of ABS further improves braking stability and safety.
The rear section of the truck includes an anti-slip operation platform that allows operators to safely control suction equipment. Rear LED working lights provide improved visibility during night operations, while the LED warning beacon and reverse alarm system enhance safety when working in busy areas.
Additional practical features such as a side-mounted ladder, emergency shutoff system, and chassis-mounted toolbox ensure convenient maintenance access and improved operational efficiency for daily sanitation tasks.
The ISUZU GIGA 18 Ton Vacuum Suction Truck combines powerful vacuum performance, durable tank construction, reliable chassis engineering, and practical operational features, making it a dependable solution for municipal sewage management, septic tank cleaning, and industrial liquid waste transportation.
SPECIFICATIONS
| Item | Details |
|---|---|
| Chassis Brand | ISUZU |
| Chassis Model | ISUZU GIGA |
| Drive Type | 4×2 |
| Wheelbase | 4600 mm |
| Overall Length | 9000 mm |
| Overall Width | 2550 mm |
| Overall Height | 3600 mm |
| Gross Vehicle Weight (GVW) | 18,000 kg |
| Curb Weight | 9,200 kg |
| Rated Payload | 8,600 kg |
| Maximum Speed | 95 km/h |
| Fuel Type | Diesel |
| Emission Standard | Euro VI / China VI |
| Cab Type | GIGA Single Row Cab with Sleeper |
| License Plate Type | Yellow Plate |
| Engine Brand | ISUZU |
| Engine Model | 6HK1-TCG61 |
| Engine Type | Inline 6-cylinder Turbocharged Intercooled Diesel |
| Displacement | 7.79 L |
| Max Power | 177 kW |
| Max Horsepower | 240 HP |
| Max Torque | 900 N·m |
| Rated Speed | 2400 rpm |
| Fuel Injection | High Pressure Common Rail |
| Transmission Brand | FAST |
| Transmission Model | FAST 8JS85E |
| Transmission Type | Manual |
| Forward Gears | 8 |
| Reverse Gears | 2 |
| Clutch Type | Dry Single Plate |
| Power Take-Off | Equipped for vacuum pump drive |
| Tank Capacity | 12,000 Liters (12 CBM) |
| Tank Material | High Quality Carbon Steel |
| Tank Thickness | 6 mm |
| Tank Shape | Cylindrical |
| Internal Structure | Anti-wave Reinforcement Rings |
| Anti-corrosion Treatment | Internal Epoxy Coating |
| Maximum Vacuum Pressure | -0.09 MPa |
| Hydraulic Lifting Angle | ≥ 45° |
| Tank Discharge Method | Hydraulic Rear Door Dumping |
| Rear Door Opening | Hydraulic Lock System |
| Pump Type | Rotary Vane Vacuum Pump |
| Pump Model | SK-15 |
| Pump Airflow Capacity | 15 m³/min |
| Maximum Vacuum Degree | ≥ 93% |
| Rated Speed | 800 – 1200 rpm |
| Drive Method | PTO Driven |
| Pump Cooling Method | Water Circulation Cooling |
| Pump Lubrication | Automatic Oil Lubrication |
| Suction Hose Diameter | 100 mm |
| Suction Hose Length | 8 meters |
| Maximum Suction Depth | ≥ 7 meters |
| Suction Time (Full Tank) | ≤ 6 minutes |
| Anti-overflow Device | Equipped |
| Secondary Filtration | Equipped |
| Hydraulic Pump Brand | Rexroth / Eaton |
| Hydraulic Control | Manual Hydraulic Control |
| Hydraulic Oil Tank Capacity | 80 L |
| Hydraulic Functions | Tank Lifting & Rear Door Opening |
| Pipeline Material | Heavy Duty Steel Pipe |
| Main Inlet Valve | DN100 |
| Drain Valve | DN80 |
| Overflow Protection Valve | Equipped |
| Sight Glass | Equipped |
| Front Axle Capacity | 7000 kg |
| Rear Axle Capacity | 13,000 kg |
| Suspension Type | Heavy Duty Leaf Spring |
| Leaf Spring Configuration | 9 / 12 |
| Tire Size | 295/80R22.5 |
| Tire Type | Steel Radial |
| Number of Tires | 6 + 1 Spare |
| Fuel Tank Capacity | 300 L |
| Braking System | Full Air Brake |
| Parking Brake | Spring Energy Brake |
| Auxiliary Brake | Engine Exhaust Brake |
| ABS | Equipped |
| Rear Operation Platform | Anti-slip Platform |
| Ladder | Side Mounted |
| Working Lights | Rear LED Working Lights |
| Warning Lights | LED Warning Beacon |
| Reverse Alarm | Equipped |
| Emergency Shutoff | Equipped |
| Toolbox | Mounted on Chassis |
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